{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{4}{c}}
\toprule
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                    &\multicolumn{1}{c}{Job Orders}&\multicolumn{1}{c}{Migrants}&\multicolumn{1}{c}{Domestic Share}&\multicolumn{1}{c}{Pre-Complaints}\\
\midrule
Conventional        &       0.808   &      12.762   &      -0.031   &       0.026   \\
                    &     (0.545)   &    (11.023)   &     (0.122)   &     (0.325)   \\
\addlinespace
Bias-corrected      &       0.925*  &      14.512   &      -0.006   &       0.116   \\
                    &     (0.545)   &    (11.023)   &     (0.122)   &     (0.325)   \\
\addlinespace
Robust              &       0.925   &      14.512   &      -0.006   &       0.116   \\
                    &     (0.600)   &    (12.558)   &     (0.139)   &     (0.402)   \\
\midrule
N                   &       20714   &       28060   &       28058   &       28060   \\
Depvar. Mean        &        1.50   &       25.43   &        0.25   &        0.56   \\
\bottomrule
\end{tabular}
}
